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Title:
VEHICLE AERODYNAMIC CHARACTERISTIC OPTIMIZATION DEVICE USING TWO-WAY SWITCHING RIB
Document Type and Number:
Japanese Patent JP2017202751
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To optimize an aerodynamic characteristic such as a lift resistance characteristic and a yaw resistance characteristic against a crosswind blown to a vehicle by eliminating a risk that, when the vehicle receives the crosswind during traveling, since a wind velocity of the crosswind is vector-added to a wind velocity of a traveling wind, a flow speed of an airflow flowing along a roof and a sidewall of the vehicle with respect to a surface of the roof and the sidewall sometime becomes remarkably high, and a grounding load of the vehicle is reduced by negative pressure which is generated at the airflow, or the yaw moment acts on the vehicle, thus impairing the stability of traveling.SOLUTION: There is provided an aerodynamic characteristic optimization device for a vehicle which is formed into a plate-shaped body attached to a roof or a sidewall of a vehicle, and has means for selectively protruding ribs which are aligned in each direction by being switched between two directions from a surface part of the plate-shaped body.SELECTED DRAWING: Figure 2

Inventors:
SHIMOKAWA SHINNOSUKE
Application Number:
JP2016095742A
Publication Date:
November 16, 2017
Filing Date:
May 12, 2016
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
B62D37/02
Domestic Patent References:
JP2007253761A2007-10-04
JP2007276544A2007-10-25
JP2006168636A2006-06-29
JPH06305452A1994-11-01
JPH02144264A1990-06-04
JPH08216938A1996-08-27
JPS619331A1986-01-16
JPS59182474U1984-12-05
Foreign References:
US20130106135A12013-05-02
WO2015154842A12015-10-15
Attorney, Agent or Firm:
Akashi Masatake



 
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